Parallel linear programming in fixed dimension almost surely in constant time

  • Authors:
  • Noga Alon;Nimrod Megiddo

  • Affiliations:
  • IBM Almaden Research Center, San Jose, CA/ and Tel Aviv Univ., Tel Aviv, Israel;IBM Almaden Research Center, San Jose, CA/ and Tel Aviv Univ., Tel Aviv, Israel

  • Venue:
  • Journal of the ACM (JACM)
  • Year:
  • 1994

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Abstract

For any fixed dimension d, thelinear programming problem with ninequality constraints can be solved on a probabilistic CRCW PRAM withO(n)processors almost surely in constant time. The algorithm always findsthe correct solution. Withnd/log2dprocessors, the probability that the algorithm will not finish withinO(d2log2dtime tends to zero exponentially withn.—Authors' Abstract